/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Remesher.h
FullSmoothPass_Buffer this to calls VertexSmoothFunc for each vertex of the mesh.
virtual void ApplyToSmoothVertices ( const [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< void(int)> & VertexSmoothFunc )